A man wearing a baseball hat and sunglasses robbed a Bayport bank on Saturday, Suffolk police said.

The suspect entered a Citibank branch office at 835 Montauk Highway, about 1:50 p.m. and gave a teller a note demanding cash, police said. The teller gave the man an undisclosed amount of cash.

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The suspect also wore a dark hooded sweatshirt and blue jeans. He is 35 to 40 years old and stands 6-foot, 2 inches, with a thin build, authorities said.

Police encourage anyone with information to call Crime Stoppers at 800-220-8477. Calls are confidential.